Solar urticaria: treatment with PUVA and mediator inhibitors

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Abstract
SUMMARY: Several therapeutic regimes for solar urticaria were evaluated. A short course of PUVA therapy produced a marked increase in the minimal dose of radiation required to produce urticaria in the six patients treated. This objective evidence of improvement was supported by the patients' reports of greatly increased tolerance to sun-exposure. Chlorpheniramine, an antihistamine, produced a slight increase in the minimal dose of radiation necessary to produce urticaria but its effectiveness was limited by side-effects. Indomethacin, an inhibitor of prostaglandin synthetase, produced no beneficial effect.